What is blue on gun finish?

Bluing is a passivation process of treating steel to prevent rust. The chemical process results in a blue-black finish, hence the name. Not only does bluing provide rust protection, but it leaves a cosmetically pleasing finish on the gun.

What is the difference between bluing and browning?

Browning and bluing are terms used to describe any of several chemical treatments of metals that are essentially controlled rusting processes. On ferrous metals, bluing appears as a dark-colored, protective oxide layer on the surface. Probably the earliest surface treatment for metals was browning.

Can you fix gun bluing?

The newly blue finish appears dull. Buff the area with No. 0000 steel wool to blend the bluing with the rest of the barrel. Apply gun oil to the repaired area, then buff with a clean, dry cloth.

Does perma blue work?

Top critical review. This Perma blue is very slow to react at room temp and not really effective without first warming up the steel in the oven. If you want a good cold steel blue, get the Super* Blue from the same company. That stuff makes cleaned, prepped steel, gun metal black in seconds.

Does Cold blue prevent rust?

Does bluing prevent rust? Cold bluing is a controlled oxidation of ferrous metals similar to rust. Whether cold or hot blued, these metals should be treated with a wax, lacquer or water displacing oil to reduce exposure to corrosion causing moisture.

Is blued or stainless better?

A blued gun should be kept well-oiled and wiped down after handling to stave off corrosion though. Stainless guns are a lot more corrosion-resistant, don’t need to be kept as heavily or frequently oiled, and don’t really show finish wear. It’s a better finish choice for carry guns IMO.

Will cold bluing prevent rust?

Is gun bluing durable?

Cold bluing is not particularly resistant to holster wear, nor does it provide a large degree of rust resistance. Often it does provide an adequate cosmetic touch-up of a gun’s finish when applied and additionally oiled on a regular basis.

How long does bluing take to dry?

Using pressure, rub the compound evenly into the surface of the part, all around the surface. Continue until the parts have been completely coated with bluing, and allow the parts to dry for 24 hours before re-assembling the weapon.

Does bluing prevent rust?

Bluing is also used in seasoning cast-iron cookware, to render it relatively rust-proof and non-stick. In this case cooking oil, rather than gun oil, acts to displace water and prevent rust.